Pentair R173213 50 Square Feet Cartridge Element Replacement Clean and Clear Pool and Spa Filter Cartridge element replacement Fits Pentair Clean & Clear aboveground pool and spa filter Also fits Pentair Clean & Clear/Predator pool and spa cartridge filter Comes with 50-square feet Measures 10-1/4-inch length by 8-3/4-inch height by 10-1/4-inch width